fix CTFE/Miri simd_insert/extract on array-style repr(simd) types#90999
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bors merged 2 commits intorust-lang:masterfrom Nov 20, 2021
Merged
fix CTFE/Miri simd_insert/extract on array-style repr(simd) types#90999bors merged 2 commits intorust-lang:masterfrom
bors merged 2 commits intorust-lang:masterfrom
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Some changes occured to the CTFE / Miri engine cc @rust-lang/miri |
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oli-obk
reviewed
Nov 18, 2021
| @@ -7,7 +7,8 @@ | |||
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| #[repr(simd)] struct i8x1(i8); | |||
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Can you check whether #[repr(simd)] struct i8x1([i8; 1]); won't end up with an immediate? Not that this type makes much sense, but probably good to be exhaustive.
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Good point, I have added that case to the test as well.
RalfJung
commented
Nov 18, 2021
| let place = self.mplace_index(&dest, i)?; | ||
| let value = | ||
| if i == index { *elem } else { self.mplace_index(&input, i)?.into() }; | ||
| self.copy_op(&value, &place.into())?; |
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FWIW, this will assert that the types are equal, thus taking care of the remaining assertions that I removed.
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@bors r+ |
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📌 Commit 0304e16 has been approved by |
matthiaskrgr
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fix CTFE/Miri simd_insert/extract on array-style repr(simd) types The changed test would previously fail since `place_index` would just return the only field of `f32x4`, i.e., the array -- rather than *indexing into* the array which is what we have to do. The new helper methods will also be needed for rust-lang/miri#1912. r? `@oli-obk`
matthiaskrgr
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fix CTFE/Miri simd_insert/extract on array-style repr(simd) types The changed test would previously fail since `place_index` would just return the only field of `f32x4`, i.e., the array -- rather than *indexing into* the array which is what we have to do. The new helper methods will also be needed for rust-lang/miri#1912. r? ``@oli-obk``
matthiaskrgr
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Nov 19, 2021
fix CTFE/Miri simd_insert/extract on array-style repr(simd) types The changed test would previously fail since `place_index` would just return the only field of `f32x4`, i.e., the array -- rather than *indexing into* the array which is what we have to do. The new helper methods will also be needed for rust-lang/miri#1912. r? ```@oli-obk```
matthiaskrgr
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Nov 19, 2021
fix CTFE/Miri simd_insert/extract on array-style repr(simd) types The changed test would previously fail since `place_index` would just return the only field of `f32x4`, i.e., the array -- rather than *indexing into* the array which is what we have to do. The new helper methods will also be needed for rust-lang/miri#1912. r? ````@oli-obk````
matthiaskrgr
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Nov 19, 2021
fix CTFE/Miri simd_insert/extract on array-style repr(simd) types The changed test would previously fail since `place_index` would just return the only field of `f32x4`, i.e., the array -- rather than *indexing into* the array which is what we have to do. The new helper methods will also be needed for rust-lang/miri#1912. r? `````@oli-obk`````
bors
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Nov 20, 2021
…askrgr Rollup of 8 pull requests Successful merges: - rust-lang#88361 (Makes docs for references a little less confusing) - rust-lang#90089 (Improve display of enum variants) - rust-lang#90956 (Add a regression test for rust-lang#87573) - rust-lang#90999 (fix CTFE/Miri simd_insert/extract on array-style repr(simd) types) - rust-lang#91026 (rustdoc doctest: detect `fn main` after an unexpected semicolon) - rust-lang#91035 (Put back removed empty line) - rust-lang#91044 (Turn all 0x1b_u8 into '\x1b' or b'\x1b') - rust-lang#91054 (rustdoc: Fix some unescaped HTML tags in docs) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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Nov 21, 2021
portable SIMD: basic binops First steps towards #1912. Requires rust-lang/rust#90999.
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The changed test would previously fail since
place_indexwould just return the only field off32x4, i.e., the array -- rather than indexing into the array which is what we have to do.The new helper methods will also be needed for rust-lang/miri#1912.
r? @oli-obk